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Hans Hoenig
Thermal performance in various window types
Description
The equivalent heat conductivity was calculated as per the ift WA-17/1 guidelines. The representative Psi values were calculated under the conditions laid down in the ift WA-08/2 guidelines.
Psi value: linear heat throughput at edge of glass [W/mK] as per EN ISO 10077-2:2012-06
* corresponds to conditions in DIN 4108-3
External temperature Ta: -10℃
Internal temperature Ti: +20℃
Technical Data
| Geometry | Wood | PVC | Wood-Aluminium | Aluminium |
|---|---|---|---|---|
| Total Area: (1.23 x 1.48m) Aw in m² | 1.82 | 1.82 | 1.82 | 1.82 |
| Frame width bf in mm: | 110 | 117 | 120 | 130 |
| Frame area Af: in m²(1-pane/2-pane.) | 0.548/0.686 | 0.579/0.725 | 0.593/0.742 | 0.637/0.796 |
| Length of glass edge Ig: in m (1-pane/2-pane) | 4.540/6.840 | 4.484/6.742 | 4.460/6.700 | 4.380/6.560 |